Biologist David Haskell has been listening to and recording the sounds of urban trees. Haskell can identify leaves by sound, and talks about listening as a way of doing science. He explains why nature/culture is a false dichotomy.
Could socialism ever really take off in America? Half a century ago, socialists ruled a major American city — Milwaukee. Haleema walks the streets of Wisconsin's biggest city to learn more about what socialist policy looked like on the ground.
In many parts of Detroit, there are blighted, abandoned patches of land. Instead of looking the other way, Timothy Paule and Nicole Lindsey started buying up vacant lots and building bee hives as an act of urban renewal.